sampling point
Portobello Ditch Below Railway
| Description | PORTOBELLO DITCH BELOW RAILWAY |
|---|---|
| Sampling point ID | TH-POCR0071 |
| Type | Freshwater – Unspecified |
| Status | closed |
| Location |
easting northing: 443100 191600 lat lon: 51.621572, -1.378823 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 43 samples taken between 2010 and 2000 |
Determinands
Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.
41 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- Anions
- B - Filtered
- BOD ATU
- C - Organic
- CHLOR A
- Ca Filtered
- Cations
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Fe- Filt
- Fluoride - F
- Hardness
- IonicBalance
- K- Filtered
- Mg Filtered
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Na- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- SI-G2
- SI-GQA
- Sld Sus@105C
- Sulphate SO4
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 43 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 9 Jun 2009 to 15 Mar 2010
| Notation | Determinand | Units | 9 Jun 2009 14:05 | 11 Jul 2009 12:50 | 14 Aug 2009 13:25 | 29 Aug 2009 10:00 | 22 Oct 2009 09:00 | 20 Nov 2009 09:20 | 3 Dec 2009 14:10 | 1 Feb 2010 14:01 | 17 Feb 2010 11:39 | 15 Mar 2010 10:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.76 | 8.04 | 0 | 8 | 7.9 | 7.75 | 8.18 | 8.03 | 8.05 | ||
| 0076 | Temperature of Water | °C | 12.41 | 16.71 | 0 | 10 | 12 | 7.95 | 3.4 | 4.71 | 5.48 | |
| 0077 | Conductivity at 25 C | μs/cm | 786 | 554 | 0 | 1037 | 807 | 804 | 878 | 479 | 934 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.091 | < 0.03 | < 0.03 | 0.049 | 0.107 | < 0.03 | < 0.03 | < 0.03 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.66 | 0.6 | < 0.2 | 0.33 | 6.8 | 11.4 | 10.8 | 8.02 | ||
| 0117 | Nitrate as N | mg/l | 3.62 | 0.594 | < 0.196 | 0.284 | 6.74 | 11.4 | 10.8 | 7.99 | ||
| 0118 | Nitrite as N | mg/l | 0.0401 | 0.0058 | < 0.004 | 0.0459 | 0.062 | 0.0231 | 0.013 | 0.0261 | ||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00115 | < 0.00089 | < 0.00055 | 0.00083 | 0.00095 | < 0.00034 | < 0.00037 | < 0.00039 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 293 | 282 | 437 | 302 | 253 | 203 | 286 | 299 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.673 | 0.959 | 0.77 | 0.579 | 0.172 | 0.194 | 0.19 | 0.124 | ||
| 7668 | No flow /No sample | 1 | 0 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 77.7 | 92.2 | 0 | 51 | 56.8 | 66.6 | 95.2 | 94.7 | 96.1 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.28 | 8.94 | < 1.0e-05 | 5.75 | 6.11 | 7.89 | 12.7 | 12.2 | 12.1 |